Activity Based Costing Methodology Overview

This document is a guide on Activity Based Costing (ABC), outlining its significance in the allocation and absorption of overhead costs. It begins by identifying the deficiencies of traditional overhead distribution methods, which often lead to inaccurate product costs due to arbitrary allocation based on volume-related measures. The guide explains how ABC offers a more logical and systematic approach developed by Robin Cooper and Robert Kaplan, emphasizing the establishment of cause-and-effect relationships in cost allocation. ABC aims to improve the accuracy of cost ascertainment by tracing costs to products based on the activities performed rather than solely on production volume. The document details the features of ABC, including its two-stage product costing method, which assigns costs to activities before charging them to cost objects. It also discusses the benefits of ABC, such as eliminating non-value-added activities and enhancing managerial decision-making through more precise cost information. Overall, the guide serves as a comprehensive resource for understanding and implementing ABC in modern accounting practices.